问题
填空题
红细胞生成素(EPO)是体内促进红细胞生成的一种糖蛋白，可用于治疗肾衰性贫血等疾病。由于天然。EPO来源极为有限，目前临床上使用的红细胞生成素主要来自于基因工程技术生产的重组人红细胞生成素(rhEPO)，其简要生产流程如右图。请回答：
图中①所指的是（）技术。
答案
参考答案：PCR
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红细胞生成素(EPO)是体内促进红细胞生成的一种糖蛋白，可用于治疗肾衰性贫血等疾病。由于天然。EPO来源极为有限，目前临床上使用的红细胞生成素主要来自于基因工程技术生产的重组人红细胞生成素(rhEPO)，其简要生产流程如右图。请回答：
图中①所指的是（）技术。
参考答案：PCR
根据短文内容，用方框中所给单词的适当形式填空。每词限用一次。
Feeling bad and worried, he knew that he had to do something about it. To make money for the family, he would go out and look for a second job besides writing. One day, an ad on the wall 小题3: his eyes when he was on his way home. He then called the boss and 小题4: glad when he succeeded in 68. finding a job which was to translate foreign movies into Chinese ones. He decided not to be lazy and started to work hard for the family. He translated one movies for more than five thousand dollars. Since then, he had tried to translate as many foreign movies as possible. In the end, his family lived a happy 小题5: because they never had to worry about not having enough money. |